Outstanding 2PCS BC to ES B22-E27 Screw Lamp Holder Led Light Bulb Lamp Socket Converter Adaptor - - Amazon.com
LAMP HOLDER ADAPTOR FOR E27 SCREW TYPE TO MR16 TYPE - Skyray Electronics And Gadgets Store
3X(E27 Round Plastic Base Screw Light Bulb Lamp Socket Holder White T2Y2) 4894462986943 | eBay
Brand New E27 Lamp Bulb Holder Edison Screw Cap Socket White/Black Pendant Ceiling Light Dropshipping|Lamp Bases| - AliExpress
Zevnico E26 E27 Light Sockets, 8 Packs Edison Period Retro Style Pendant Lamp Holder, Replacement DIY Pendant E26 Medium Base Screw Light Holder, Maximum Wattage 100W, Vintage Black Light Bulb Socket - -